I have a few things regarding survival mode:
1. I was talking to someone about how cool it would be if we could play survival mode on the server, but we can't currently download MP maps, so could the current map file be posted online so we could use it for that purpose?
2. When MP survival is released, who would be interested in an Unobtainium survival server? I could host it if Ryft doesn't want to or can't host more than one at a time, but I think it's definitely a way to bring life back to the server. It's likely, however, that it'll only be available for those who have bought the game. If this is true, then those who have yet to buy it should do so, we'd all really enjoy your presence there.
Just a suggestion, we still don't know how mp survival mode will work.
(Also, who hasn't yet bought the game?)